Blue light ke eng mme ke hobane'ng ha u lokela ho reka lilense tse khanyang tsa blue blocker?

Leseli le leputsoa ke khanya e bonahalang e nang le leqhubu le lekhutšoanyane ka ho fetisisa le matla a phahameng ka ho fetisisa, 'me e tšoana le mahlaseli a ultraviolet, leseli le leputsoa le na le melemo le likotsi.

Ka kakaretso, bo-rasaense ba re khanya e bonahalang e na le mahlaseli a motlakase a nang le maqhubu a bolelele ho tloha ho 380 nanometers (nm) pheletsong e putsoa ea spectrum ho ea ho 700 nm pheletsong e khubelu.(Ha e le hantle, nanometer ke karolo ea bilione ea mithara - ke 0.000000001 meter!)

Leseli le leputsoa ka kakaretso le hlalosoa e le leseli le bonahalang ho tloha ho 380 ho isa ho 500 nm.Leseli le leputsoa ka linako tse ling le aroloa hape ho ba lebone le leputsoa-violet (hoo e ka bang 380 ho isa ho 450 nm) le lebone le leputsoa-turquoise (hoo e ka bang 450 ho isa ho 500 nm).

Kahoo, hoo e ka bang karolo ea boraro ea khanya eohle e bonahalang e nkoa e le khanya e matla e bonahalang (HEV) kapa "buluu".

lebone le leputsoa

Ho na le bopaki ba hore leseli le leputsoa le ka lebisa phetohong e sa feleng ea pono.Hoo e ka bang mabone 'ohle a maputsoa a fetela ka morao ho retina ea hau.Lipatlisiso tse ling li bontšitse leseli le leputsoa le ka eketsa kotsi ea ho senyeha ha macular, lefu la retina.

Lipatlisiso li bontša hore ho pepeseha ha leseli le leputsoa ho ka lebisa ho degeneration e amanang le lilemo, kapa AMD.Phuputso e 'ngoe e fumane hore leseli le leputsoa le bakile ho lokolloa ha limolek'hule tse chefo liseleng tsa photoreceptor.Sena se baka tšenyo e ka lebisang ho AMD.

Lilemong tse 'maloa tse fetileng, re ntlafalitse moloko oa pele oalilense tse thibelang khanya e putsoa.Ka boqapi ba theknoloji nakong e fetileng, ronalilense tse thibang tse putsoali ntlafatsoa ka mokhoa oa tlhaho ka hohle kamoo ho ka khonehang hore e se ke ea bonahala.

Ea ronabho thibela khanya ea luelilensee na le disefe tse thibelang kapa tse monyang kganya e bolou.Seo se bolela hore haeba u sebelisatsenalenseesha u sheba skrine, haholo-holo ka mor'a lefifi, li ka thusa ho fokotsa ho pepesehela maqhubu a khanya a maputsoa a ka u bolokang u falimehile hape a thusa ho fokotsa khatello ea mahlo.Leha ho le joalo, batho ba bang ba bolela hore leseli le leputsoa ho lisebelisoa tsa digital ha le bake mahlo.Mathata ao batho ba tletlebang ka ona a bakoa feela ke tšebeliso e feteletseng ea lisebelisoa tsa digital.

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lense ea blue blocker
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Nako ea poso: Feb-16-2022